(19)

(11)

EP 2 238 273 A1

(12)

(43) Date of publication: 13.10.2010 Bulletin 2010/41 (21) Application number: 09708502.1 (22) Date of filing: 06.02.2009

(51) International Patent Classification (IPC):  C23C 2/06(2006.01) C23C 2/20(2006.01) C23C 2/28(2006.01) C23C 2/40(2006.01) (86) International application number: PCT/AU2009/000145 (87) International publication number: WO 2009/097663 (13.08.2009 Gazette 2009/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 07.02.2008 AU 2008900574 (71) Applicant: Bluescope Steel Limited Melbourne, VIC 3000 (AU)	(72) Inventors: SCOTT, Robert Ian Redfern New South Wales 2016 (AU) WILLIAMS, Joe Woonona New South Wales 2517 (AU) SMITH, Ross McDowall Cordeaux Heights New South Wales 2526 (AU) (74) Representative: Amery, Marcus James et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE London WC1V 7LE (GB)